124 lines
No EOL
5.3 KiB
JSON
124 lines
No EOL
5.3 KiB
JSON
{
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"type": "bundle",
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"id": "bundle--5894f12f-709c-4502-a896-7dbf02de0b81",
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"objects": [
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{
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"type": "identity",
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"spec_version": "2.1",
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"id": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
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"created": "2017-02-03T21:10:19.000Z",
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"modified": "2017-02-03T21:10:19.000Z",
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"name": "CIRCL",
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"identity_class": "organization"
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},
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{
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"type": "report",
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"spec_version": "2.1",
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"id": "report--5894f12f-709c-4502-a896-7dbf02de0b81",
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"created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
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"created": "2017-02-03T21:10:19.000Z",
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"modified": "2017-02-03T21:10:19.000Z",
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"name": "OSINT - Windows SMBv3 Denial of Service Proof of Concept (0 Day Exploit)",
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"published": "2017-02-03T21:10:32Z",
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"object_refs": [
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"indicator--5894f14c-b000-4526-88c4-874d02de0b81",
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"observed-data--5894f176-4fe8-4611-91d5-46d602de0b81",
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"url--5894f176-4fe8-4611-91d5-46d602de0b81",
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"observed-data--5894f1a8-fda4-499e-ba27-8cd702de0b81",
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"url--5894f1a8-fda4-499e-ba27-8cd702de0b81"
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],
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"labels": [
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"Threat-Report",
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"misp:tool=\"MISP-STIX-Converter\""
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],
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"object_marking_refs": [
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"marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9"
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]
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},
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{
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"type": "indicator",
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"spec_version": "2.1",
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"id": "indicator--5894f14c-b000-4526-88c4-874d02de0b81",
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"created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
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"created": "2017-02-03T21:08:38.000Z",
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"modified": "2017-02-03T21:08:38.000Z",
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"description": "Based on this understanding of the exploit (please let me know if I didn't get it right or missed something), I wrote a simple snort signature that looks for Tree Connect messages that exceed 1000 bytes in size. Use this at your own risk. It is in \"works for me\" state:",
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"pattern": "[alert tcp $EXTERNAL_NET 445 -> $HOME_NET any (sid: 10001515; msg: \"SMB Excessive Large Tree Connect Response\"; byte_test: 3,>,1000,1; content: \"|fe 53 4d 42 40 00|\"; offset: 4; depth: 6; content: \"|03 00|\"; offset: 16; depth:2 ;)]",
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"pattern_type": "snort",
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"pattern_version": "2.1",
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"valid_from": "2017-02-03T21:08:38Z",
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"kill_chain_phases": [
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{
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"kill_chain_name": "misp-category",
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"phase_name": "Network activity"
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}
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],
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"labels": [
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"misp:type=\"snort\"",
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"misp:category=\"Network activity\""
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]
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},
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{
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"type": "observed-data",
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"spec_version": "2.1",
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"id": "observed-data--5894f176-4fe8-4611-91d5-46d602de0b81",
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"created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
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"created": "2017-02-03T21:09:25.000Z",
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"modified": "2017-02-03T21:09:25.000Z",
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"first_observed": "2017-02-03T21:09:25Z",
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"last_observed": "2017-02-03T21:09:25Z",
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"number_observed": 1,
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"object_refs": [
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"url--5894f176-4fe8-4611-91d5-46d602de0b81"
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],
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"labels": [
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"misp:type=\"link\"",
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"misp:category=\"Payload delivery\"",
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"ms-caro-malware:malware-type=\"Exploit\""
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]
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},
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{
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"type": "url",
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"spec_version": "2.1",
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"id": "url--5894f176-4fe8-4611-91d5-46d602de0b81",
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"value": "https://github.com/lgandx/PoC/tree/master/SMBv3%20Tree%20Connect"
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},
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{
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"type": "observed-data",
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"spec_version": "2.1",
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"id": "observed-data--5894f1a8-fda4-499e-ba27-8cd702de0b81",
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"created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
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"created": "2017-02-03T21:10:19.000Z",
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"modified": "2017-02-03T21:10:19.000Z",
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"first_observed": "2017-02-03T21:10:19Z",
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"last_observed": "2017-02-03T21:10:19Z",
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"number_observed": 1,
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"object_refs": [
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"url--5894f1a8-fda4-499e-ba27-8cd702de0b81"
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],
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"labels": [
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"misp:type=\"link\"",
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"misp:category=\"External analysis\"",
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"osint:source-type=\"blog-post\"",
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"admiralty-scale:source-reliability=\"b\""
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]
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},
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{
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"type": "url",
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"spec_version": "2.1",
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"id": "url--5894f1a8-fda4-499e-ba27-8cd702de0b81",
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"value": "https://isc.sans.edu/diary/Windows%2BSMBv3%2BDenial%2Bof%2BService%2BProof%2Bof%2BConcept%2B%280%2BDay%2BExploit%29/22029"
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},
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{
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"type": "marking-definition",
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"spec_version": "2.1",
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"id": "marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9",
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"created": "2017-01-20T00:00:00.000Z",
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"definition_type": "tlp",
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"name": "TLP:WHITE",
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"definition": {
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"tlp": "white"
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}
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}
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]
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} |